But the thing is old school grading wouldn’t mean anything because old school grading is usually equated with smoking hash out of a hash pipe, not dabbing it.
But even when you dab good ice wax it leaves sort of a granulated texture on the banger that will come off with no iso and no mess after you swab like any other dab.
You’re pretty much explaining why people make rosin, honestly. Bubble hash with additional filtration and heat assist to go through the smaller filtration without forcing plant material